Churn



(-No Model.) 3 Sheets-Sheet 1. M. M. MONTGOMERY.

' ,.GHURN1.`.

No. 528.129. Patented Oct'. 23.18911.

1 Witnesses:

Attorney.

` 13 sheets-Sheena M. M. MUNTGOMBRIY (No Model.)

No. 528,129. Patented, oct. s,r1a94.

Inventor.

` Witnesses:

' Attorney.

(Nomad.) Y asneets-sneenm M. M. MoNTGoMBRY.

` GHURN. No. 528,129. Patented oct. 2a, 1894.

Aitorney.

` UNITED .STATES i ATENT MAMIE M. MONTGOMERY, OF GOWENSVILLE, SOUTH CAROLINA.

CHURN.

.SPECIFICATION forming part of Letters Patent No. 528,129, dated October `2?, 1894. `Application filed April 6, 1894. SerialNo. 506.600. (No model.)

Beit known that LMAMIE M. MONTGOMERY, a citizen of the United States, residing at Gowensville, in the county of Greenville and State of South Oarolina, have invented certain newand useful Improvements in Oh urns,

. of which the following is a specification, reference being had therein to the accompanying drawings.

My invention relates to an improved churn, in which the dashershaft is automatically actuated in such a manner as to impart to it an oscillatory rotary movement, the rapidity of which movement is automatically oontrolled and regulated, and also in which the structural parts are separable and capable of being closely packed for shipment.

The invention will first be described in connection with the accompanying drawings, and then pointed out in the claim.

Figure 1 is a front elevation, partly in section, of the churn. Fig. 2 is a side elevation of the dasher-opcrating mechanism carried by the cap-plate. Fig. 3 is a plan view of the same. Fig. 4 is a vertical cross-section on the line 9c, Fig. 1.

The structural parts of my churn (the churn being of the knock-down variety) consist of a base-plate A, on which the cream-receptacle Bis set 5 four standards C, removably secured in the respective corners of the base-plate; and a cap-plate D, supported by the standards, this cap-plate carrying the dasher-operating mechanism, which I will now describe.

E is the main shaft, vertically journaled in two bearings 1 and 2 on the upper and lower` sides, respectively, of the cap-plate, and spanning at right angles to each other a large circular opening 3 in said plate. The upper end of this shaft is squared for the reception of a socket-wrench, and below7 this squared portion is a ratchet 4, rigidly secured to the shaft. On the lower end of said shaft is a thimble 5,-pro- 'vided with a set-screw 6, for preventing up- The opening 3 in the cap-plate is divided centrally by a horizontal plate 10, and in said opening, on each side of this plate, is located one of two coil-springs G, the outer end of each of which is secured to one of two vertical pins 1l secured` at the sides of the opening, while i `the inner end of each spring is secured tothe main shaft. The opening in the capplate is y preferably covered by a shield 12, in two parts.

serving, when desired, to stop the mechanism. Gear-wheel .I meshes with another pinion K, sleeved on shaft L, and held in place by a setscrew 15, said shaft being' mounted in the cap-plate, and supported at its upper end by a bracket 16. On the lower end of said shaft L is sleeved a gearcrank-wheel M,

rigidly iixed to the shaft by a set-screw 17.

To this wheel Mis pivoted one end of a pitman N, the other end of which is pivoted to a crank-arm O, rigidly secured to a short. independent spindle P, supported by a bracket 18, secured to the under side of the cap-plate, and held in said bracket by a collar 19. On the lower end of this spindle is sleeved a dasher-socket Q, secured thereon by a setscrew 20, this socket being adapted to receive the squared upper end of the dasher-shaft R, which is secured therein by a thumb-screw 21, the lower end of this shaft being rounded and seated in adepression in the bottom of the receptacle B. The shaft `R is provided with angular blades r; and below the lower blade there is a wire disk cl, loosely mounted on the shaft, and held thereon by a nut 22, this disk being for the purpose of raising the butter from the receptacle.

S is the governor-shaft, mounted in one end of the capplate, carrying near its lower end axed pinion T,in gear with the crank-wheel M, the lower end of the shaft being steadied by a bracket 23 secured to the cap-plate. Secured to the upper side of the cap-plate is another bracket 24, of thin spring metal, through which the governor-shaft passes, there being a shoulder 25 on the shaft slightly below the normal position of the upper end of the bracket. On the shaft and resting on the bracket is awasher26. lOr'ithe upper endof the shaft S is adj ustably secured a governor U, which consists of two sleeved disks V and W, with the latter of which are pivotally conuected the lower ends of two links w, the upper ends of which are pivotally connected to two ball-carrying arms v, pivoted to the upper sleeved disk V.

The operation of my churn will be obvious from the description and drawings; butit may be well to `remark that when the main shaft is turned sufficiently to wind the springs, and the pawlj is thrown out of engagement with the wheel J, the main shaft will be putin revolution, and, by reason of the pawl 8 being in engagement with the xed ratchet 4, the main wheel will likewise be putin motion, thereby, through the intermediate gearing, turning the crank-wheel, and thus operating the crank-arm in a manner to impart oscillatory rotary motion to the dasher, this motion being deemed superior to the full revolution of the dasher, in that the tendency of the cream to Iiow in one direction is thereby constantly interrupted,resulting in more readily separating the oily globules from the other parts of the cream. The speed of rotation is controlled and regulated by the governor, for, as the Speed of revolution of the shaft increases, the governor-arms are thrown upwardby centrifugal force, thereby causing the lower disk W ofthe governor to bear, with more or less pressure, on the bracket 24, which in turn likewise bears on the shoulder 25 of the governor-shaft, thereby retarding the revolution of said shaft, and, through the intermediate mechanism, also the revolution of the main shaft.

Having thusdescribed my invention, what I claim as new, and desire to secure by Letters Patent, is-

In a churn of the class described, the combination, with a base-plate, standardsremovably secured therein, a cream-receptacle on the base-plate, a dasher therein, and a removable cap-plate supported by said standards, of a main shaft extending through the cap-plate, spring mechanism located within the cap-plate and adapted to impart rotary motion to said shaft, a main gear-wheel mounted on the main shaft above the capplate and adapted to revolve therewith in one direction only, a governor for regulating the speed of revolution of the main wheel, a shaft extending through the cap -plate and carrying a pinion on its upper end and acrank-wheel on its lower end, said crank-wheel engaging with a pinion on the governor-shaft, a short shaft mounted in the upper side of the cap-plate and carrying a pinion and a gear-wheel, which respectively engage with the main wheel and the pinion on the crank-wheel shaft, a stoppawl adapted to engage with one of the gearwheels, an independent spindle journaled beneath the cap-plate and provided with a crank-arm and a socket, the latter adapted to receive one end` of a dasher-shaft, and a pitman connecting the crank-wheel and crankarm.

In testimony whereof I affix my signature in presence of two witnesses.

MAMIE M. MONTGOMERY. Witnesses:

T. T. BALLENGER, J. B. COX. 

